Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1 in /home/cuprumescaleras/dev.escalerascuprum.com/www/conexion_db.php:18 Stack trace: #0 /home/cuprumescaleras/dev.escalerascuprum.com/www/conexion_db.php(18): mysqli_query(Object(mysqli), 'SELECT * FROM c...') #1 /home/cuprumescaleras/dev.escalerascuprum.com/www/conexion_db.php(24): db_query_legacy('SELECT * FROM c...') #2 /home/cuprumescaleras/dev.escalerascuprum.com/www/escalera.php(16): db_query('SELECT * FROM c...') #3 {main} thrown in /home/cuprumescaleras/dev.escalerascuprum.com/www/conexion_db.php on line 18